نتایج جستجو برای: cubic functional equation

تعداد نتایج: 832806  

Journal: :Bulletin of the Korean Mathematical Society 2007

Journal: :International Journal of Mathematics and Mathematical Sciences 2001

Journal: :Bulletin of the Korean Mathematical Society 2008

2014
M. Eshaghi Gordji H. Khodaei Y. W. Lee G. H. Kim

and Applied Analysis 3 Clearly, every Menger PN-space is probabilistic metric space having a metrizable uniformity on X if supa<1T a, a 1. Definition 1.3. Let X,Λ, T be a Menger PN-space. i A sequence {xn} in X is said to be convergent to x in X if, for every > 0 and λ > 0, there exists positive integer N such that Λxn−x > 1 − λ whenever n ≥ N. ii A sequence {xn} in X is called Cauchy sequence ...

Journal: :international journal of nonlinear analysis and applications 2012
y. j. cho c. park m. eshaghi gordji

won{gil park [won{gil park, j. math. anal. appl., 376 (1) (2011) 193{202] proved the hyers{ulam stability of the cauchy functional equation, the jensen functional equation and the quadraticfunctional equation in 2{banach spaces. one can easily see that all results of this paper are incorrect.hence the control functions in all theorems of this paper are not correct. in this paper, we correctthes...

Journal: :Journal of Nonlinear Sciences and Applications 2016

Journal: :Journal of Mathematical Analysis and Applications 2007

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